Answer / abhishek kumar

STEP:
1)FIRST JOIN FILE B AND FILE D HERE FILE D AS A MASTER AND
FILE B AS DETAIL.
2)THEN JOIN FILE A AS MASTER WITH OUTPUT OF STEP 1.
3)THEN JOIN FILE C AS MASTER WITH OUTPUT OF STEP 2
THIS THE RESULT.

IN JOINER
IF WE GO JOIN FOR TWO TABLE WE CHOOSE THAT TABLE AS A
MASTER WHICH CONTAIN MINIMUM RECORD OR LESS REPETION.
ACTUALLY COMPARE TO DETAIL , MASTER CACHE SIZE IS LESS.AND
OUTPUT RESULT WILL BE GO TO DETAIL

THANKS
ABHISHEK GUDDU

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